A NASA X-ray telescope has captured a breathtaking portrait of a supernova remnant, revealing unseen features of the exploded ...

NASA's IXPE (Imaging X-ray Polarimetry Explorer) mission has taken a new observation of a supernova, RCW 86, helping fill in ...

NASA’s Imaging X-ray Polarimetry Explorer, known as IXPE, has produced the first spatially resolved polarization maps of the supernova remnant RCW 86, the shell of debris left by what is likely the ...

The ‘guest star’ of 185 AD has been one of astronomy's most unresolved cases for over 1800 years. Ancient Chinese chroniclers ...

A supernova witnessed nearly 2,000 years ago is back in focus as NASA’s powerful X-ray telescope uncovers a hidden cosmic ...

Astronomers studying a distant superluminous supernova uncovered a strange pattern hidden in its light: a rapidly ...

Astronomers have discovered a strange new signal coming from an exploding star — a “chirp” that speeds up over time, similar ...

Astronomers may have found an exciting new clue about dark energy—the mysterious force driving the universe’s accelerating expansion. They discovered an extraordinarily bright supernova from more than ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist’s illustration depicts silicon, argon and sulfur releasing from a massive star. - Adam Makarenko/W. M. Keck Observatory ...

The discovery of a newborn magnetar inside a distant supernova helps explain why some stellar explosions shine far brighter ...